Lamma Power Station Extension - Air Quality Monitoring Data for unit L10/L11 (Construction)
24-hr TSP (µg/m^3)					1-hr TSP (µg/m^3)
Date	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)	Tai Yuen Village (AM4)	Date	Time	Reservoir (AM1)	East Gate (AM2)	Ash Lagoon (AM3)
1/1/2020	33	37	31	15	1/1/2020	15:00 - 15:59	26	31	26
7/1/2020	41	37	32	8		16:00 - 16:59	24	35	27
13/1/2020	29	34	31	58		17:00 - 17:59	29	40	29
19/1/2020	43	52	41	38	7/1/2020	15:00 - 15:59	67	46	25
25/1/2020	15	18	18	##		16:00 - 16:59	36	35	23
31/1/2020	31	34	30	##		17:00 - 17:59	27	27	22
					13/1/2020	15:00 - 15:59	26	35	30
Remarks:						16:00 - 16:59	28	36	32
## - TSP monitoring at AM4 temporarily suspended on 25/1 and 31/1 due to outbreak of						17:00 - 17:59	31	33	29
Wuhan Pneumonia.					19/1/2020	15:00 - 15:59	62	94	67
						16:00 - 16:59	65	89	66
						17:00 - 17:59	68	88	59
					25/1/2020	15:00 - 15:59	19	28	26
						16:00 - 16:59	27	26	24
						17:00 - 17:59	25	22	18
					31/1/2020	15:00 - 15:59	28	33	25
						16:00 - 16:59	25	33	28
						17:00 - 17:59	35	36	31
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date	Daily Maximum Stack NOx concentration (mg/Nm^3)^#
1/1/2020		56
2/1/2020		54
3/1/2020		56
4/1/2020		55
5/1/2020		55
6/1/2020		57
7/1/2020		55
8/1/2020		61
9/1/2020		56
10/1/2020		55
11/1/2020		55
12/1/2020		58
13/1/2020		55
14/1/2020		57
15/1/2020		58
16/1/2020		58
17/1/2020		59
18/1/2020		59
19/1/2020		55
20/1/2020		57
21/1/2020		57
22/1/2020		54
23/1/2020		54
24/1/2020		54
25/1/2020		57
26/1/2020		57
27/1/2020		57
28/1/2020		58
29/1/2020		*
30/1/2020		*
31/1/2020		*
Note:
# - Hourly average value. Expressed as at 0°C, 101.325kPa, dry and corrected to 15% O2 condition * - Unit L9 was not on load.